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Finding the Fourth Proportional to 26,917.97, 40,379.02 and 8,199.59

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Solution

The fourth proportional to 26,917.97, 40,379.02 and 8,199.59 is: 12,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.97 : 40,379.02 = 8,199.59 : x
  2. Step 2: Convert to fraction form
    26,917.97/40,379.02 = 8,199.59/x
  3. Step 3: Cross multiply
    26,917.97x = 40,379.02 × 8,199.59
  4. Step 4: Simplify right side
    26,917.97x = 331,091,186.21
  5. Step 5: Solve for x
    x = 331,091,186.21/26,917.97
  6. Step 6: Final answer
    x = 12,300.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.